21838817130

Names of 21838817130

• Cardinal: 21838817130 can be written as Twenty-one billion, eight hundred thirty-eight million, eight hundred seventeen thousand, one hundred thirty.

Scientific notation

• Scientific notation: 2.183881713 × 10¹⁰

Factors of 21838817130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2759

Divisors of 21838817130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 65 78 127 130 169 195 254 338 381 390 507 635 762 845 1014 1270 1651 1690 1905 2197 2535 2609 3302 3810 4394 4953 5070 5218 6591 7827 8255 9906 10985 13045 13182 15654 16510 21463 21970 24765 26090 32955 33917 39135 42926 49530 64389 65910 67834 78270 101751 107315 128778 169585 203502 214630 279019 321945 331343 339170 440921 508755 558038 643890 662686 837057 881842 994029 1017510 1322763 1395095 1656715 1674114 1988058 2204605 2645526 2790190 3313430 4185285 4307459 4409210 4970145 5731973 6613815 8370570 8614918 9940290 11463946 12922377 13227630 17195919 21537295 25844754 28659865 34391838 43074590 55996967 57319730 64611885 85979595 111993934 129223770 167990901 171959190 279984835 335981802 559969670 727960571 839954505 1455921142 1679909010 2183881713 3639802855 4367763426 7279605710 10919408565 21838817130
• Sum of all divisors σ(n): 57247948800
• Sum of proper divisors (its aliquot sum) s(n): 35409131670
• 21838817130 is an abundant number, because the sum of its proper divisors (35409131670) is greater than itself. Its abundance is 13570314540

Bases of 21838817130

• Binary: 10100010101101100011110011101101010₂
• Hexadecimal: 0x515B1E76A
• Base-36: A169N56

Squares and roots of 21838817130

• 21838817130 squared (21838817130²) is 476933933637581436900
• 21838817130 cubed (21838817130³) is 10415672959802696695941734097000
• The square root of 21838817130 is 147779.6235277381
• The cube root of 21838817130 is 2795.1795089325

Scales and comparisons

• 21,838,817,130 seconds is equal to 694 years, 21 weeks, 1 day, 2 hours, 5 minutes, 30 seconds.
• To count from 1 to 21,838,817,130 would take you about one thousand, three hundred eighty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21838817130 cubic inches would be around 232.9 feet tall.

Recreational maths with 21838817130

• 21838817130 backwards is 03171883812
• The number of decimal digits it has is: 11
• The sum of 21838817130's digits is 42
• More coming soon!